Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual país teve o maior número total de remessas no mês de 'fevereiro de 2022'?
 ###Tabelas: 
CREATE TABLE Shipments (country varchar(20), shipment_date date); INSERT INTO Shipments (country, shipment_date) VALUES ('Country X', '2022-01-05'), ('Country Y', '2022-02-10');
SELECT country, SUM(CASE WHEN EXTRACT(MONTH FROM shipment_date) = 2 AND EXTRACT(YEAR FROM shipment_date) = 2022 THEN 1 ELSE 0 END) AS total_shipments, SUM(total_shipments) OVER () AS total_shipments_all_countries FROM (SELECT country, COUNT(*) AS total_shipments FROM Shipments GROUP BY country, EXTRACT(MONTH FROM shipment_date), EXTRACT(YEAR FROM shipment_date)) subquery ORDER BY total_shipments DESC LIMIT 1;